768840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 2376000

約数和(自身を除く): 1607160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 149, 172, 215, 258, 298, 344, 430, 447, 516, 596, 645, 745, 860, 894, 1032, 1192, 1290, 1490, 1720, 1788, 2235, 2580, 2980, 3576, 4470, 5160, 5960, 6407, 8940, 12814, 17880, 19221, 25628, 32035, 38442, 51256, 64070, 76884, 96105, 128140, 153768, 192210, 256280, 384420, 768840]

約数ペア:

[(1, 768840), (2, 384420), (3, 256280), (4, 192210), (5, 153768), (6, 128140), (8, 96105), (10, 76884), (12, 64070), (15, 51256), (20, 38442), (24, 32035), (30, 25628), (40, 19221), (43, 17880), (60, 12814), (86, 8940), (120, 6407), (129, 5960), (149, 5160), (172, 4470), (215, 3576), (258, 2980), (298, 2580), (344, 2235), (430, 1788), (447, 1720), (516, 1490), (596, 1290), (645, 1192), (745, 1032), (860, 894)]